14 calls to db_change_field() in Drupal 6

dblog_update_6000 in modules/dblog/dblog.install

Allow longer referrers.

db_add_field in includes/database.mysql-common.inc

Add a new field to a table.

statistics_update_6000 in modules/statistics/statistics.install

Allow longer referrers.

system_update_6002 in modules/system/system.install

Increase the maximum length of variable names from 48 to 128.

system_update_6019 in modules/system/system.install

Reconcile small differences in the previous, manually created mysql and pgsql schemas so they are the same and can be represented by a single schema structure.

system_update_6022 in modules/system/system.install

Update files tables to associate files to a uid by default instead of a nid. Rename file_revisions to upload since it should only be used by the upload module used by upload to link files to nodes.

system_update_6023 in modules/system/system.install

system_update_6025 in modules/system/system.install

Increase the maximum length of node titles from 128 to 255.

system_update_6032 in modules/system/system.install

profile_fields.name used to be nullable but is part of a unique key and so shouldn't be.

system_update_6033 in modules/system/system.install

Change node_comment_statistics to be not autoincrement.

system_update_6037 in modules/system/system.install

Create consistent empty region for disabled blocks.

system_update_6043 in modules/system/system.install

Update table indices to make them more rational and useful.

system_update_6048 in modules/system/system.install

Increase the size of the 'load_functions' and 'to_arg_functions' fields in table 'menu_router'.

system_update_6056 in modules/system/system.install

Convert {session} data storage to blob.